HTR1 training will often be done as part of a package alongside your CCN1 domestic ACS gas qualification. Common add-ons alongside HTR1 include:

• CKR1 – Domestic Gas Cooking Appliances
• CENWAT1– Domestic central heating boilers and water heaters up to 70kw net
• MET1 – Domestic gas meters
• DAH1 – Domestic warm air heaters
• REGT1 – Domestic medium pressure meter regulators
• CPA1 – Combustion performance
• CMDDA – C0/C02 Atmosphere and appliance testing

These consist of open-book written assessments. The Open Book assessments permit the use of approved reference material such as the Gastec manual to obtain answers.

The written assessment contains either multiple questions or true/false statements.

Before a candidate can be allowed to sit for the HTR1 ACS assessment, they need to provide evidence of an in-date ACS gas core.

One of the following Core qualifications would be acceptable:

CCN1

COCN1* Limitations apply

CCCN1* Limitations apply

CATEGORY 1 APPLICANTS
Experienced gas fitting operatives seeking certificate renewal and/or assessment and certification to extend their work range.

CATEGORY 2 APPLICANTS
Individuals with relevant gas experience, and other individuals with relevant qualifications and experience in similar job disciplines, for example:
plumbers and installers of piped gas other than LPG or Natural Gas engineers from the domestic oil industry, electrical appliance service engineers and marine engineers/fitters
heating and ventilation engineers and refrigeration engineers/fitters
Individuals from outside the United Kingdom who have relevant qualifications and experience.

CATEGORY 3 APPLICANTS

Individuals without previous experience are entering the industry for the first time.

ON SUCCESSFUL COMPLETION
Upon receipt and verification of the Application for Certification and Assessment documents, UK Certification will be the body to award the certification issued for your personal use.